http://en.wikipedia.org/wiki/Devil#Satanism
A lot of people just want to play around with symbolism & pretend to be a little mischievous.
http://beginningandend.com/monster-energy-drink-secretly-promoting-666-mark-beast
Of course, there are people that take things much more seriously.
http://www.nowtheendbegins.com/pages/mark_of_the_beast/markOF_theBEAST.htm,
http://www.deliriumsrealm.com/number-of-beast
The Christian Fundamentalist community is one POV.
http://www.nowtheendbegins.com/blog/?p=15043
However, there are other beliefs & fundamentalist communities, so it can be very difficult, if not impossible to agree with one another. Perhaps that's the objective, but ideas & concepts can be understood by a wide variety of people ranging from the religious, spiritual, metaphysical & secular.
http://www.deliriumsrealm.com/satan, http://www.deliriumsrealm.com/lucifer
http://www.sacred-texts.com/eso/index.htm
Everyone has their own perspective of the Light & Dark side of the Force of Consciousness.
FBook http://www.nowtheendbegins.com/blog/?p=14680,
http://www.youtube.com/watch?v=UJqGbA2tLww
Interesting observations about the desire for constant self promotion & data-marketing.
http://www.youtube.com/watch?v=ZGEQmFL9McU
Strange Hooded Men
http://www.youtube.com/watch?v=g-sECH3TJWo
http://syncnotes.blogspot.ca/search?q=616